/*
 * Galaxium Messenger
 * Copyright (C) 2003-2007 Philippe Durand <draekz@gmail.com>
 * Copyright (C) 2007 Ben Motmans <ben.motmans@gmail.com>
 * 
 * License: GNU General Public License (GPL)
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

using System;
using System.IO;
using System.Collections.Generic;

using Galaxium.Core;

namespace Galaxium.Protocol
{
	public interface IFileTransfer
	{
		event EventHandler<FileTransferEventArgs> TransferStart;
		event EventHandler<FileTransferEventArgs> TransferFinish;
		event EventHandler<FileTransferEventArgs> TransferLocalAbort;
		event EventHandler<FileTransferEventArgs> TransferRemoteAbort;
		event EventHandler<FileTransferEventArgs> TransferCancel;
		event EventHandler<FileTransferEventArgs> TransferDecline;
		event EventHandler<FileTransferEventArgs> TransferProgress;
		event EventHandler<FileTransferErrorEventArgs> TransferFailed;
		
		string UniqueIdentifier { get; }

		ISession Session { get; }
		IContact Contact { get; }

		bool Incoming { get; }
		
		Stream Stream { get; }
		long TotalBytes { get; }
		long TransferedBytes { get; }
		long RateBytes { get; }
		
		string FileName { get; }
		string Destination { get; set; }
		TransferState State { get; }
		
		byte[] Preview { get; }
		
		void Accept ();
		void Decline ();
		void Abort ();
		string TimeLeft ();
		string TransferRate ();
		void Rename (string filename);
	}
}